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All results from a given calculation for CH2SHCH2SH (1,2-Ethanedithiol)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-875.708081
Energy at 298.15K-875.714077
Nuclear repulsion energy200.816450
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3006 2965 0.00      
2 Ag 2633 2597 0.00      
3 Ag 1456 1436 0.00      
4 Ag 1295 1277 0.00      
5 Ag 1081 1066 0.00      
6 Ag 867 856 0.00      
7 Ag 721 711 0.00      
8 Ag 270 266 0.00      
9 Au 3081 3039 10.11      
10 Au 1101 1086 4.71      
11 Au 766 755 4.42      
12 Au 138 136 21.96      
13 Au 76 75 35.53      
14 Bg 3059 3017 0.00      
15 Bg 1265 1248 0.00      
16 Bg 945 933 0.00      
17 Bg 139 137 0.00      
18 Bu 3015 2973 24.63      
19 Bu 2634 2598 23.48      
20 Bu 1456 1436 4.83      
21 Bu 1210 1193 52.81      
22 Bu 864 852 4.28      
23 Bu 697 687 7.67      
24 Bu 193 191 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 15982.8 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 15763.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G**
ABC
0.82501 0.04997 0.04799

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.490 0.586 0.000
C2 -0.490 -0.586 0.000
S3 0.490 -2.155 0.000
S4 -0.490 2.155 0.000
H5 -0.578 -2.993 0.000
H6 0.578 2.993 0.000
H7 -1.128 -0.551 0.897
H8 -1.128 -0.551 -0.897
H9 1.128 0.551 0.897
H10 1.128 0.551 -0.897

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52782.74111.84883.73522.40802.17142.17141.10151.1015
C21.52781.84882.74112.40803.73521.10151.10152.17142.1714
S32.74111.84884.41911.35765.14822.44812.44812.92102.9210
S41.84882.74114.41915.14821.35762.92102.92102.44812.4481
H53.73522.40801.35765.14826.09652.65882.65884.03434.0343
H62.40803.73525.14821.35766.09654.03434.03432.65882.6588
H72.17141.10152.44812.92102.65884.03431.79372.51103.0858
H82.17141.10152.44812.92102.65884.03431.79373.08582.5110
H91.10152.17142.92102.44814.03432.65882.51103.08581.7937
H101.10152.17142.92102.44814.03432.65883.08582.51101.7937

picture of 1,2-Ethanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.166 C1 C2 H7 110.292
C1 C2 H8 110.292 C1 S4 H6 96.148
C2 C1 S4 108.166 C2 C1 H9 110.292
C2 C1 H10 110.292 C2 S3 H5 96.148
S3 C2 H7 109.533 S3 C2 H8 109.533
S4 C1 H9 109.533 S4 C1 H10 109.533
H7 C2 H8 109.009 H9 C1 H10 109.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.379      
2 C -0.379      
3 S -0.051      
4 S -0.051      
5 H 0.081      
6 H 0.081      
7 H 0.174      
8 H 0.174      
9 H 0.174      
10 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.827 7.350 0.000
y 7.350 -39.469 0.000
z 0.000 0.000 -42.864
Traceless
 xyz
x 1.340 7.350 0.000
y 7.350 1.876 0.000
z 0.000 0.000 -3.216
Polar
3z2-r2-6.432
x2-y2-0.358
xy7.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.255 -0.503 0.000
y -0.503 11.314 0.000
z 0.000 0.000 5.777


<r2> (average value of r2) Å2
<r2> 216.769
(<r2>)1/2 14.723